1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaf_classes/javax/activation/SecuritySupport.java Wed Apr 27 01:27:09 2016 +0800
1.3 @@ -0,0 +1,131 @@
1.4 +/*
1.5 + * Copyright (c) 2002, 2005, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package javax.activation;
1.30 +
1.31 +import java.security.*;
1.32 +import java.net.*;
1.33 +import java.io.*;
1.34 +import java.util.*;
1.35 +
1.36 +/**
1.37 + * Security related methods that only work on J2SE 1.2 and newer.
1.38 + *
1.39 + * @since 1.6
1.40 + */
1.41 +class SecuritySupport {
1.42 +
1.43 + private SecuritySupport() {
1.44 + // private constructor, can't create an instance
1.45 + }
1.46 +
1.47 + public static ClassLoader getContextClassLoader() {
1.48 + return (ClassLoader)
1.49 + AccessController.doPrivileged(new PrivilegedAction() {
1.50 + public Object run() {
1.51 + ClassLoader cl = null;
1.52 + try {
1.53 + cl = Thread.currentThread().getContextClassLoader();
1.54 + } catch (SecurityException ex) { }
1.55 + return cl;
1.56 + }
1.57 + });
1.58 + }
1.59 +
1.60 + public static InputStream getResourceAsStream(final Class c,
1.61 + final String name) throws IOException {
1.62 + try {
1.63 + return (InputStream)
1.64 + AccessController.doPrivileged(new PrivilegedExceptionAction() {
1.65 + public Object run() throws IOException {
1.66 + return c.getResourceAsStream(name);
1.67 + }
1.68 + });
1.69 + } catch (PrivilegedActionException e) {
1.70 + throw (IOException)e.getException();
1.71 + }
1.72 + }
1.73 +
1.74 + public static URL[] getResources(final ClassLoader cl, final String name) {
1.75 + return (URL[])
1.76 + AccessController.doPrivileged(new PrivilegedAction() {
1.77 + public Object run() {
1.78 + URL[] ret = null;
1.79 + try {
1.80 + List v = new ArrayList();
1.81 + Enumeration e = cl.getResources(name);
1.82 + while (e != null && e.hasMoreElements()) {
1.83 + URL url = (URL)e.nextElement();
1.84 + if (url != null)
1.85 + v.add(url);
1.86 + }
1.87 + if (v.size() > 0) {
1.88 + ret = new URL[v.size()];
1.89 + ret = (URL[])v.toArray(ret);
1.90 + }
1.91 + } catch (IOException ioex) {
1.92 + } catch (SecurityException ex) { }
1.93 + return ret;
1.94 + }
1.95 + });
1.96 + }
1.97 +
1.98 + public static URL[] getSystemResources(final String name) {
1.99 + return (URL[])
1.100 + AccessController.doPrivileged(new PrivilegedAction() {
1.101 + public Object run() {
1.102 + URL[] ret = null;
1.103 + try {
1.104 + List v = new ArrayList();
1.105 + Enumeration e = ClassLoader.getSystemResources(name);
1.106 + while (e != null && e.hasMoreElements()) {
1.107 + URL url = (URL)e.nextElement();
1.108 + if (url != null)
1.109 + v.add(url);
1.110 + }
1.111 + if (v.size() > 0) {
1.112 + ret = new URL[v.size()];
1.113 + ret = (URL[])v.toArray(ret);
1.114 + }
1.115 + } catch (IOException ioex) {
1.116 + } catch (SecurityException ex) { }
1.117 + return ret;
1.118 + }
1.119 + });
1.120 + }
1.121 +
1.122 + public static InputStream openStream(final URL url) throws IOException {
1.123 + try {
1.124 + return (InputStream)
1.125 + AccessController.doPrivileged(new PrivilegedExceptionAction() {
1.126 + public Object run() throws IOException {
1.127 + return url.openStream();
1.128 + }
1.129 + });
1.130 + } catch (PrivilegedActionException e) {
1.131 + throw (IOException)e.getException();
1.132 + }
1.133 + }
1.134 +}
